如果我有一個數組:如何檢查數組中的每個值是否爲空?
$nav = array($nav_1, $nav_2, $nav_3);
,並要檢查,如果他們是空的,一個循環(真正的數組是更大),因此它單獨檢查每個變量,我該怎麼辦呢?
我想要這樣的東西;
$count = 0;
while(count < 3){
if(empty($nav[$count])) //the loops should go through each value (nav[0], nav[1] etc.)
//do something
$count = $count+1;
}else{
//do something
$count = $count+1;
}
}
你可以用'in_array()'? –